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(323) 997-8867
Crenshaw Lock

Door Closer Repair in La Verne · 24/7 mobile

Door Closer Repair in La Verne, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement for commercial doors in La Verne, California, 24 hours a day, 7 days a week. We come to your door with tools and parts. Call (323) 997-8867 to describe the problem and get started.

  • Mobile to your La Verne location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Hydraulic door closer mounted at the top of a commercial door
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A door closer is easy to ignore until it fails. Then a front door slams on customers, hangs open all night, or never quite latches, and the lock you paid for does nothing. In La Verne, where small offices, shops, school-related buildings and airfield facilities all rely on doors that close and latch on their own, a tired closer is a security problem, a safety problem and often an accessibility problem.

Crenshaw Lock Company repairs, adjusts and replaces hydraulic door closers on commercial doors. Many closers that seem broken only need adjustment of the sweep speed, latch speed or backcheck, or a re-tightened arm and bracket. Others are leaking fluid, have a bent arm, or are the wrong size for the door, and those should be replaced. We will tell you which situation you have before any work begins.

We are fully mobile and have served Greater Los Angeles and Ventura County since 1987, under owner and lead technician David Shar. There is no storefront to visit. We come to your La Verne location, whether that is an Old Town storefront on D Street, an office near Foothill Blvd, or a building elsewhere in town, and we are available around the clock when a door cannot wait until morning.

How it works in La Verne

  1. 1

    Describe the door and the symptom

    Call (323) 997-8867 and tell us what the door is doing: slamming, drifting closed too slowly, stopping short of the latch, hanging open, or leaking oil. Tell us whether it is a glass storefront door, a steel or wood door, or an exterior door that sees wind. That helps us bring the right parts.

  2. 2

    Inspect the closer, door and frame

    We come to your location and look at more than the closer. A door that drags, a sagging hinge, a misaligned strike or a warped frame can make a good closer look bad. We check the mounting, the arm, the fluid and the way the door hangs before deciding on a fix.

  3. 3

    Adjust before replacing

    If the closer is sound, we adjust the sweep, latch and backcheck valves and tighten the arm and bracket so the door closes smoothly and latches firmly. We also confirm the door is not closing so fast that it is a hazard, or so slowly that it never secures.

  4. 4

    Replace when it is the right call

    If the unit is leaking, cracked, worn out or undersized, we replace it with a closer matched to the door's width, weight and use, and mount it correctly in the proper arm position. We explain the choice so you understand what you are paying for.

  5. 5

    Test the full cycle and the lock

    We open and release the door repeatedly, checking that it closes completely, the latch engages, and the lock works. We also check that the door can still be opened without excessive force. Then we walk you through how to tell if the closer starts drifting again.

Need door closer repair in La Verne?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Whether the closer only needs adjustment and tightening or needs full replacement
  • The type and grade of closer needed for the door's width, weight, traffic and exterior exposure
  • Whether the door, hinges, strike or frame also need correction for the closer to work properly
  • Door material and mounting, such as glass storefront, aluminum, steel or wood, which can affect the hardware and arm type
  • The number of doors being serviced during one visit
  • Time of the call, since after-hours and emergency service differ from scheduled daytime work

Why La Verne chooses us

  • Fully mobile service, so we repair the closer where the door is instead of asking you to remove hardware and bring it anywhere
  • Available 24/7, which matters when a door will not latch and a building cannot be left unsecured overnight
  • In business since 1987, with long experience across commercial doors of many ages and styles
  • We diagnose the whole door, not just the closer, so you are not sold a new unit when a hinge or strike is the real culprit
  • Honest recommendations: if an adjustment solves it, we say so rather than pushing a replacement
  • One company that also handles the locks, panic hardware and rekeying on the same door

Door Closer Repair across La Verne

La Verne has a mix of door types that all put closers to work. Old Town La Verne, around D Street and Bonita Ave, has small businesses in older buildings where doors may have been altered over the years, and a closer has to cope with settled frames and uneven hanging. Near the University of La Verne, offices, campus-adjacent businesses and multi-door buildings count on doors that close properly all day long. In ZIP code 91750, the stretch along Foothill Blvd, the old Route 66 corridor, and Arrow Hwy, Wheeler Ave and Fruit St has storefronts and offices of all ages.

On the north side toward North La Verne and Marshall Canyon, newer foothill developments and the wind that can come off the hills can make exterior door closers work harder, and a poorly adjusted unit may slam or fail to latch. Out at Brackett Field, general-aviation buildings and hangars have their own door and security needs, and we can also help with padlock and roll-door lock service there.

Because we are mobile, reaching you from SR-210, SR-57 or the surface streets is part of the job, at any hour. If a door at your La Verne business will not close or latch, call (323) 997-8867 and we will help you sort out what is needed.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

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Other La Verne locksmith services

See all of our La Verne services, or our citywide door closer repair page.

Door Closer Repair in La Verne — FAQs

Can you repair a door closer instead of replacing it?
Often, yes. Many closers just need their sweep, latch or backcheck valves adjusted, or the arm and bracket re-tightened. If the unit is leaking oil, cracked or worn out, replacement is the better choice. Call (323) 997-8867 and we can talk through the symptoms.
Do you offer 24/7 door closer service in La Verne?
Yes. We are a 24/7 mobile locksmith, so if a door in La Verne will not close or latch and you cannot leave the building unsecured, you can call (323) 997-8867 at any hour.
Why does my door slam shut or close too slowly?
That is usually a closer speed setting, a worn valve or low fluid. Slamming is a common sign of the latch speed being set too fast, while a door that drifts shut may have a failing unit. We adjust or replace based on what we find.
How can I tell if the closer is leaking?
Look for oil on the body, the arm, the floor or the door, and for a door that has suddenly lost its closing power. A leaking closer has lost hydraulic fluid and typically needs replacement rather than adjustment.
Can a bad closer affect my lock?
Yes. If the door does not fully close, the latch or deadbolt may never engage, leaving the door unsecured. A door that slams hard can also wear the latch and strike. We check the lock and strike while we work.
Do you work on doors at Brackett Field or in Old Town La Verne?
We serve all of La Verne, including Old Town, the University of La Verne area, North La Verne and Brackett Field. We are mobile and come to you, so there is no shop to visit. Call (323) 997-8867 to discuss the door.
Can you handle multiple doors in one visit?
Yes. If you have several doors with tired closers, we can inspect and service them in one visit. Pricing depends on the work each door needs, and we explain it before starting.
What should I have ready when I call?
Tell us the type of door, the symptom, whether it is interior or exterior, and the address. A photo of the closer and its label, if you can read it, helps. We still inspect the whole door when we arrive.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7